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CROWN ZELLERBACH INT INC

Overview
  • Total Patents
    119
About

CROWN ZELLERBACH INT INC has a total of 119 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Germany, France and Italy. Its main competitors in its focus markets textiles and paper, machines and chemical engineering are TEICH WALTER, MERCER INT INC and JIANGSU JINHENG NEW PACKAGING MAT CO LTD.

Patent filings in countries

World map showing CROWN ZELLERBACH INT INCs patent filings in countries

Patent filings per year

Chart showing CROWN ZELLERBACH INT INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Okamoto Katsumi 5
#2 Kato Teiji 5
#3 Steffes Frank J 4
#4 Reba I 4
#5 Litzinger P 4
#6 Steffes F 4
#7 Kozlowski John H 4
#8 Kozlowski J 4
#9 Kozlowski John Henry 4
#10 Yonemori H 4

Latest patents

Publication Filing date Title
AU5983173A Process for making fibers
CA1032328A Process for making discrete fibers by flashing a polymer solution having water dispersed therein
IE37414L Process for preparing polymer fibres
FR2169199A1 Electrophotographic printing sheets - contg molten, integrated polyolefin fibre/contg dielectric layer
ES410888A1 Porous sheet - impermeable to water except under pressure of polyolefine and possibly cellulose fibres
KR790000494B1 Transporting apparatus for fluid-entrainable particles
ZA7207373B Apparatus and method for transporting fluid-entrainable particles
IE37425B1 Polymeric pulp for paper and process of preparing polymeric pulp
PH12127A Process for producing a polyolefin pulp
ZA7206613B Polyolefin pulp and process for producing same
GB1398623A Method of preparing water-dispersible polyolefin fibres
AU4396672A Polymeric pulp for paper, and process of preparing polymeric pulp
ZA7203760B Polymeric pulp for paper,and process of preparing polymeric pulp
DE2226670A1 BIAXIAL ORIENTED FILM AND PROCESS FOR ITS MANUFACTURING
DE2226671A1 COMPOSITE STRUCTURE AND METHOD FOR MANUFACTURING IT
PH10340A Synthetic papermaking pulp and process of manufacture